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Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 00:22

General

  • Target

    218c7421b6efda2d6fd250180c5b43b8.exe

  • Size

    153KB

  • MD5

    218c7421b6efda2d6fd250180c5b43b8

  • SHA1

    094a3f9d1b4c3710c7ec5175f98fab8cc58c2ba1

  • SHA256

    01baf1d8b42b779575cc89dd4600d488a1b70d4957329f47f97e9cee2b12d430

  • SHA512

    37f7980165273c74f87c7e0d93b0dc215f76f338801d6963a7fec106ca3551d5f279cd5d1f16cdced57218610b050f58a54af8f01ada64602ebba11b862db446

  • SSDEEP

    1536:p8nXOBSKn1kfZ0I58RVun1AZj7wPnNOJLMEJFtiL0wkej2qRyK6iiyHOLA59TA5g:fBnsZ0I58RVY1AgeXJA0Y2TthLA590u

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\218c7421b6efda2d6fd250180c5b43b8.exe
    "C:\Users\Admin\AppData\Local\Temp\218c7421b6efda2d6fd250180c5b43b8.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 "C:\Windows\system32\tuvVMfdd.dll",a
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4744

Network

MITRE ATT&CK Enterprise v15

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Downloads